Taft reshaped U.S. diplomacy through dollar diplomacy, and Woodrow Wilson used moral diplomacy
The executive department that deals most with foreign countries is the "State Department", which is headed by the Secretary of State--a position that is appointed by the President.
All of the options here have contributed to the dramatic growth of the Chinese economy since the late 1970s except more efficient long-term economic forecasting by the Communist Party leadership.
